Image not recorded
Allis ChalmersModel A
Allis Chalmers D15
Row Crop
- power
- 37.4 hp
- displacement
- 149 ci
- Cylinders
- 4
- Forward gears
- 8
Head to head · Row Crop
Allis Chalmers D15 vs Nuffield Universal M4
Image not recorded
NuffieldModel B
Nuffield Universal M4
Row Crop
- power
- 38 hp
- displacement
- 230 ci
- Cylinders
- 4
- Forward gears
- 5
Allis ChalmersAllis Chalmers D15
vs
NuffieldNuffield Universal M4
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ Universal M4 higher · +0.6 hp (+2%)D1537.4 hp
Universal M438 hp
Median Row Crop Tractor138 hp
D15 is in the 3rd percentile; Universal M4 is in the 3rd · 1,206 models
Engine Displacement
▲ Universal M4 higher · +81 ci (+54%)D15149 ci
Universal M4230 ci
Median Row Crop Tractor391 ci
D15 is in the 4th percentile; Universal M4 is in the 12th · 1,409 models
Cylinders
= Effectively tiedD154
Universal M44
Median Row Crop Tractor6
D15 is in the 17th percentile; Universal M4 is in the 17th · 1,417 models
Forward Gears
▲ D15 higher · +3 (+60%)D158
Universal M45
Median Row Crop Tractor16
D15 is in the 16th percentile; Universal M4 is in the 7th · 1,200 models
D15 (A)Universal M4 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Nuffield | — |
| Model | D15 | Universal M4 | — |
| Category | Row Crop | Row Crop | Same |
Engine
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Morris | — |
| Power Output | 37.4hp | 38hp | ▲ Universal M4+0.6 hp · +2% |
| Rated RPM | 2,000RPM | 2,000RPM | Same |
| Cylinders | 4 | 4 | Same |
| Displacement | 149ci | 230ci | ▲ Universal M4+81 ci · +54% |
| Bore | 3.5in | 3.9in | ▲ Universal M4+0.4 in · +11% |
| Stroke | 3.9in | 4.7in | ▲ Universal M4+0.8 in · +21% |
Transmission
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| Type | Partial power shift | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| Length | 130in | 123in | ▲ D15+7 in · +6% |
| Width | 67in | 83in | ▲ Universal M4+16 in · +24% |
| Height | 80.2in | 82in | ▲ Universal M4+1.8 in · +2% |
| Operating Weight | 4,036lb | 4,886lb | ▲ Universal M4+850 lb · +21% |
Hydraulics
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open center | — |
| Steering Type | Power-assisted | Manual | — |
Hitch & Towing
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Not recorded | — |
| Hitch Category | II/I | I | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Power-assisted | Manual | — |
Electrical
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| Starter Type | Electric | 12 Volt | — |
Capacities
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| Coolant | 2.8gal | 4.8gal | ▲ Universal M4+2 gal · +71% |
Operator Station
| Spec | Allis Chalmers D15 | Nuffield Universal M4 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (37.4 hp)B · 3rd percentile (38 hp)
Engine Displacement
median 391 ciA · 4th percentile (149 ci)B · 12th percentile (230 ci)
Cylinders
median 6A · 17th percentile (4)B · 17th percentile (4)
Forward Gears
median 16A · 16th percentile (8)B · 7th percentile (5)
Operating Weight
median 12,307 lbA · 6th percentile (4,036 lb)B · 8th percentile (4,886 lb)
A · D15B · Universal M4Median Row Crop Tractor